Display screen or portion thereof with graphical user interface



The sole FIGURE is a front view of a display screen or portion thereof with graphical user interface showing our new design.

The dot dash lines in the FIGURE represent an unclaimed boundary line and form no part of the claimed design.

The broken lines representing the mobile device are included for the purpose of illustrating environmental structure while the broken lines showing portions of the graphical user interface are included for the purpose of illustrating portions of the article; the broken lines form no part of the claimed design. 

CLAIM We claim the ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 